src/compositor.h

   1 /*
   2  * Copyright © 2008-2011 Kristian Høgsberg
   3  * Copyright © 2012 Collabora, Ltd.
   4  *
   5  * Permission to use, copy, modify, distribute, and sell this software and
   6  * its documentation for any purpose is hereby granted without fee, provided
   7  * that the above copyright notice appear in all copies and that both that
   8  * copyright notice and this permission notice appear in supporting
   9  * documentation, and that the name of the copyright holders not be used in
  10  * advertising or publicity pertaining to distribution of the software
  11  * without specific, written prior permission.  The copyright holders make
  12  * no representations about the suitability of this software for any
  13  * purpose.  It is provided "as is" without express or implied warranty.
  14  *
  15  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
  16  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
  17  * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
  18  * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
  19  * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
  20  * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  21  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  22  */
  23
  24 #ifndef _WAYLAND_SYSTEM_COMPOSITOR_H_
  25 #define _WAYLAND_SYSTEM_COMPOSITOR_H_
  26
  27 #include <pixman.h>
  28 #include <xkbcommon/xkbcommon.h>
  29 #include <wayland-server.h>
  30
  31 #include <GLES2/gl2.h>
  32 #include <GLES2/gl2ext.h>
  33 #include <EGL/egl.h>
  34 #include <EGL/eglext.h>
  35
  36 #include "matrix.h"
  37 #include "../shared/config-parser.h"
  38 #include "weston-egl-ext.h"
  39
  40
  41 struct weston_transform {
  42         struct weston_matrix matrix;
  43         struct wl_list link;
  44 };
  45
  46 struct weston_surface;
  47 struct shell_surface;
  48 struct weston_seat;
  49 struct weston_output;
  50 struct input_method;
  51
  52 enum weston_keyboard_modifier {
  53         MODIFIER_CTRL = (1 << 0),
  54         MODIFIER_ALT = (1 << 1),
  55         MODIFIER_SUPER = (1 << 2),
  56         MODIFIER_SHIFT = (1 << 3),
  57 };
  58
  59 enum weston_led {
  60         LED_NUM_LOCK = (1 << 0),
  61         LED_CAPS_LOCK = (1 << 1),
  62         LED_SCROLL_LOCK = (1 << 2),
  63 };
  64
  65 struct weston_mode {
  66         uint32_t flags;
  67         int32_t width, height;
  68         uint32_t refresh;
  69         struct wl_list link;
  70 };
  71
  72 struct weston_shell_client {
  73         void (*send_configure)(struct weston_surface *surface,
  74                                uint32_t edges, int32_t width, int32_t height);
  75 };
  76
  77 struct weston_shell_interface {
  78         void *shell;                    /* either desktop or tablet */
  79
  80         struct shell_surface *(*create_shell_surface)(void *shell,
  81                                                       struct weston_surface *surface,
  82                                                       const struct weston_shell_client *client);
  83
  84         void (*set_toplevel)(struct shell_surface *shsurf);
  85
  86         void (*set_transient)(struct shell_surface *shsurf,
  87                               struct weston_surface *parent,
  88                               int x, int y, uint32_t flags);
  89         int (*move)(struct shell_surface *shsurf, struct weston_seat *ws);
  90         int (*resize)(struct shell_surface *shsurf,
  91                       struct weston_seat *ws, uint32_t edges);
  92
  93 };
  94
  95 struct weston_border {
  96         int32_t left, right, top, bottom;
  97 };
  98
  99 struct weston_animation {
 100         void (*frame)(struct weston_animation *animation,
 101                       struct weston_output *output, uint32_t msecs);
 102         int frame_counter;
 103         struct wl_list link;
 104 };
 105
 106 struct weston_spring {
 107         double k;
 108         double friction;
 109         double current;
 110         double target;
 111         double previous;
 112         uint32_t timestamp;
 113 };
 114
 115 enum {
 116         ZOOM_FOCUS_POINTER,
 117         ZOOM_FOCUS_TEXT
 118 };
 119
 120 struct weston_fixed_point {
 121         wl_fixed_t x, y;
 122 };
 123
 124 struct weston_output_zoom {
 125         int active;
 126         uint32_t type;
 127         float increment;
 128         float level;
 129         float max_level;
 130         float trans_x, trans_y;
 131         struct weston_animation animation_z;
 132         struct weston_spring spring_z;
 133         struct weston_animation animation_xy;
 134         struct weston_spring spring_xy;
 135         struct weston_fixed_point from;
 136         struct weston_fixed_point to;
 137         struct weston_fixed_point current;
 138         struct weston_fixed_point text_cursor;
 139 };
 140
 141 /* bit compatible with drm definitions. */
 142 enum dpms_enum {
 143         WESTON_DPMS_ON,
 144         WESTON_DPMS_STANDBY,
 145         WESTON_DPMS_SUSPEND,
 146         WESTON_DPMS_OFF
 147 };
 148
 149 struct weston_output {
 150         uint32_t id;
 151
 152         struct wl_list link;
 153         struct wl_list resource_list;
 154         struct wl_global *global;
 155         struct weston_compositor *compositor;
 156         struct weston_matrix matrix;
 157         struct wl_list animation_list;
 158         int32_t x, y, mm_width, mm_height;
 159         struct weston_border border;
 160         pixman_region32_t region;
 161         pixman_region32_t previous_damage;
 162         int repaint_needed;
 163         int repaint_scheduled;
 164         struct weston_output_zoom zoom;
 165         int dirty;
 166         struct wl_signal frame_signal;
 167         uint32_t frame_time;
 168         int disable_planes;
 169
 170         char *make, *model;
 171         uint32_t subpixel;
 172         uint32_t transform;
 173
 174         struct weston_mode *current;
 175         struct weston_mode *origin;
 176         struct wl_list mode_list;
 177
 178         void (*repaint)(struct weston_output *output,
 179                         pixman_region32_t *damage);
 180         void (*destroy)(struct weston_output *output);
 181         void (*assign_planes)(struct weston_output *output);
 182         int (*switch_mode)(struct weston_output *output, struct weston_mode *mode);
 183
 184         /* backlight values are on 0-255 range, where higher is brighter */
 185         uint32_t backlight_current;
 186         void (*set_backlight)(struct weston_output *output, uint32_t value);
 187         void (*set_dpms)(struct weston_output *output, enum dpms_enum level);
 188 };
 189
 190 struct weston_xkb_info {
 191         struct xkb_keymap *keymap;
 192         int keymap_fd;
 193         size_t keymap_size;
 194         char *keymap_area;
 195         xkb_mod_index_t shift_mod;
 196         xkb_mod_index_t caps_mod;
 197         xkb_mod_index_t ctrl_mod;
 198         xkb_mod_index_t alt_mod;
 199         xkb_mod_index_t mod2_mod;
 200         xkb_mod_index_t mod3_mod;
 201         xkb_mod_index_t super_mod;
 202         xkb_mod_index_t mod5_mod;
 203         xkb_led_index_t num_led;
 204         xkb_led_index_t caps_led;
 205         xkb_led_index_t scroll_led;
 206 };
 207
 208 struct weston_seat {
 209         struct wl_seat seat;
 210         struct wl_pointer pointer;
 211         int has_pointer;
 212         struct wl_keyboard keyboard;
 213         int has_keyboard;
 214         struct wl_touch touch;
 215         int has_touch;
 216
 217         struct weston_compositor *compositor;
 218         struct weston_surface *sprite;
 219         struct wl_listener sprite_destroy_listener;
 220         struct weston_surface *drag_surface;
 221         struct wl_listener drag_surface_destroy_listener;
 222         int32_t hotspot_x, hotspot_y;
 223         struct wl_list link;
 224         enum weston_keyboard_modifier modifier_state;
 225         struct wl_surface *saved_kbd_focus;
 226         struct wl_listener saved_kbd_focus_listener;
 227
 228         uint32_t num_tp;
 229
 230         struct wl_listener new_drag_icon_listener;
 231
 232         void (*led_update)(struct weston_seat *ws, enum weston_led leds);
 233
 234         struct weston_xkb_info xkb_info;
 235         struct {
 236                 struct xkb_state *state;
 237                 enum weston_led leds;
 238         } xkb_state;
 239
 240         struct input_method *input_method;
 241 };
 242
 243 struct weston_shader {
 244         GLuint program;
 245         GLuint vertex_shader, fragment_shader;
 246         GLint proj_uniform;
 247         GLint tex_uniforms[3];
 248         GLint alpha_uniform;
 249         GLint color_uniform;
 250         GLint texwidth_uniform;
 251         GLint opaque_uniform;
 252 };
 253
 254 enum {
 255         WESTON_COMPOSITOR_ACTIVE,
 256         WESTON_COMPOSITOR_IDLE,         /* shell->unlock called on activity */
 257         WESTON_COMPOSITOR_SLEEPING      /* no rendering, no frame events */
 258 };
 259
 260 struct weston_layer {
 261         struct wl_list surface_list;
 262         struct wl_list link;
 263 };
 264
 265 struct weston_plane {
 266         pixman_region32_t damage;
 267         int32_t x, y;
 268 };
 269
 270 struct weston_compositor {
 271         struct wl_shm *shm;
 272         struct wl_signal destroy_signal;
 273
 274         EGLDisplay egl_display;
 275         EGLContext egl_context;
 276         EGLConfig egl_config;
 277         GLuint fbo;
 278         struct weston_shader texture_shader_rgba;
 279         struct weston_shader texture_shader_y_uv;
 280         struct weston_shader texture_shader_y_u_v;
 281         struct weston_shader texture_shader_y_xuxv;
 282         struct weston_shader solid_shader;
 283         struct weston_shader *current_shader;
 284         struct wl_display *wl_display;
 285         struct weston_shell_interface shell_interface;
 286
 287         struct wl_signal activate_signal;
 288         struct wl_signal lock_signal;
 289         struct wl_signal unlock_signal;
 290
 291         struct wl_signal show_input_panel_signal;
 292         struct wl_signal hide_input_panel_signal;
 293
 294         struct wl_event_loop *input_loop;
 295         struct wl_event_source *input_loop_source;
 296
 297         struct weston_layer fade_layer;
 298         struct weston_layer cursor_layer;
 299
 300         struct wl_list output_list;
 301         struct wl_list seat_list;
 302         struct wl_list layer_list;
 303         struct wl_list surface_list;
 304         struct wl_list key_binding_list;
 305         struct wl_list button_binding_list;
 306         struct wl_list axis_binding_list;
 307         struct {
 308                 struct weston_spring spring;
 309                 struct weston_animation animation;
 310                 struct weston_surface *surface;
 311         } fade;
 312
 313         uint32_t state;
 314         struct wl_event_source *idle_source;
 315         uint32_t idle_inhibit;
 316         int option_idle_time;           /* default timeout, s */
 317         int idle_time;                  /* effective timeout, s */
 318
 319         /* Repaint state. */
 320         struct wl_array vertices, indices;
 321         struct weston_plane primary_plane;
 322
 323         uint32_t focus;
 324
 325         PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC
 326                 image_target_renderbuffer_storage;
 327         PFNGLEGLIMAGETARGETTEXTURE2DOESPROC image_target_texture_2d;
 328         PFNEGLCREATEIMAGEKHRPROC create_image;
 329         PFNEGLDESTROYIMAGEKHRPROC destroy_image;
 330
 331         int has_unpack_subimage;
 332         GLenum read_format;
 333
 334         PFNEGLBINDWAYLANDDISPLAYWL bind_display;
 335         PFNEGLUNBINDWAYLANDDISPLAYWL unbind_display;
 336         PFNEGLQUERYWAYLANDBUFFERWL query_buffer;
 337         int has_bind_display;
 338
 339         void (*destroy)(struct weston_compositor *ec);
 340         void (*restore)(struct weston_compositor *ec);
 341         int (*authenticate)(struct weston_compositor *c, uint32_t id);
 342
 343         void (*ping_handler)(struct weston_surface *surface, uint32_t serial);
 344
 345         int launcher_sock;
 346
 347         uint32_t output_id_pool;
 348
 349         struct xkb_rule_names xkb_names;
 350         struct xkb_context *xkb_context;
 351         struct weston_xkb_info xkb_info;
 352 };
 353
 354 enum weston_output_flags {
 355         WL_OUTPUT_FLIPPED = 0x01
 356 };
 357
 358 struct weston_region {
 359         struct wl_resource resource;
 360         pixman_region32_t region;
 361 };
 362
 363 /* Using weston_surface transformations
 364  *
 365  * To add a transformation to a surface, create a struct weston_transform, and
 366  * add it to the list surface->geometry.transformation_list. Whenever you
 367  * change the list, anything under surface->geometry, or anything in the
 368  * weston_transforms linked into the list, you must set
 369  * surface->geometry.dirty = 1.
 370  *
 371  * The order in the list defines the order of transformations. Let the list
 372  * contain the transformation matrices M1, ..., Mn as head to tail. The
 373  * transformation is applied to surface-local coordinate vector p as
 374  *    P = Mn * ... * M2 * M1 * p
 375  * to produce the global coordinate vector P. The total transform
 376  *    Mn * ... * M2 * M1
 377  * is cached in surface->transform.matrix, and the inverse of it in
 378  * surface->transform.inverse.
 379  *
 380  * The list always contains surface->transform.position transformation, which
 381  * is the translation by surface->geometry.x and y.
 382  *
 383  * If you want to apply a transformation in local coordinates, add your
 384  * weston_transform to the head of the list. If you want to apply a
 385  * transformation in global coordinates, add it to the tail of the list.
 386  */
 387
 388 struct weston_surface {
 389         struct wl_surface surface;
 390         struct weston_compositor *compositor;
 391         GLuint textures[3];
 392         int num_textures;
 393         pixman_region32_t clip;
 394         pixman_region32_t damage;
 395         pixman_region32_t opaque;
 396         pixman_region32_t input;
 397         int32_t pitch;
 398         struct wl_list link;
 399         struct wl_list layer_link;
 400         struct weston_shader *shader;
 401         GLfloat color[4];
 402         GLfloat opaque_rect[4];
 403         GLfloat alpha;
 404         int blend;
 405         struct weston_plane *plane;
 406
 407         /* Surface geometry state, mutable.
 408          * If you change anything, set dirty = 1.
 409          * That includes the transformations referenced from the list.
 410          */
 411         struct {
 412                 GLfloat x, y; /* surface translation on display */
 413                 int32_t width, height;
 414
 415                 /* struct weston_transform */
 416                 struct wl_list transformation_list;
 417
 418                 int dirty;
 419         } geometry;
 420
 421         /* State derived from geometry state, read-only.
 422          * This is updated by weston_surface_update_transform().
 423          */
 424         struct {
 425                 pixman_region32_t boundingbox;
 426                 pixman_region32_t opaque;
 427
 428                 /* matrix and inverse are used only if enabled = 1.
 429                  * If enabled = 0, use x, y, width, height directly.
 430                  */
 431                 int enabled;
 432                 struct weston_matrix matrix;
 433                 struct weston_matrix inverse;
 434
 435                 struct weston_transform position; /* matrix from x, y */
 436         } transform;
 437
 438         /*
 439          * Which output to vsync this surface to.
 440          * Used to determine, whether to send or queue frame events.
 441          * Must be NULL, if 'link' is not in weston_compositor::surface_list.
 442          */
 443         struct weston_output *output;
 444
 445         /*
 446          * A more complete representation of all outputs this surface is
 447          * displayed on.
 448          */
 449         uint32_t output_mask;
 450
 451         struct wl_list frame_callback_list;
 452
 453         EGLImageKHR images[3];
 454         int num_images;
 455
 456         struct wl_buffer *buffer;
 457         struct wl_listener buffer_destroy_listener;
 458
 459         /*
 460          * If non-NULL, this function will be called on surface::attach after
 461          * a new buffer has been set up for this surface. The integer params
 462          * are the sx and sy paramerters supplied to surface::attach .
 463          */
 464         void (*configure)(struct weston_surface *es, int32_t sx, int32_t sy);
 465         void *private;
 466 };
 467
 468 enum weston_key_state_update {
 469         STATE_UPDATE_AUTOMATIC,
 470         STATE_UPDATE_NONE,
 471 };
 472
 473 void
 474 weston_surface_update_transform(struct weston_surface *surface);
 475
 476 void
 477 weston_surface_to_global_fixed(struct weston_surface *surface,
 478                                wl_fixed_t sx, wl_fixed_t sy,
 479                                wl_fixed_t *x, wl_fixed_t *y);
 480 void
 481 weston_surface_to_global_float(struct weston_surface *surface,
 482                                GLfloat sx, GLfloat sy, GLfloat *x, GLfloat *y);
 483
 484 void
 485 weston_surface_from_global(struct weston_surface *surface,
 486                            int32_t x, int32_t y, int32_t *sx, int32_t *sy);
 487 void
 488 weston_surface_from_global_fixed(struct weston_surface *surface,
 489                                  wl_fixed_t x, wl_fixed_t y,
 490                                  wl_fixed_t *sx, wl_fixed_t *sy);
 491
 492 void
 493 weston_spring_init(struct weston_spring *spring,
 494                    double k, double current, double target);
 495 void
 496 weston_spring_update(struct weston_spring *spring, uint32_t msec);
 497 int
 498 weston_spring_done(struct weston_spring *spring);
 499
 500 void
 501 weston_surface_activate(struct weston_surface *surface,
 502                         struct weston_seat *seat);
 503 void
 504 weston_surface_draw(struct weston_surface *es,
 505                     struct weston_output *output, pixman_region32_t *damage);
 506
 507 void
 508 notify_motion(struct weston_seat *seat, uint32_t time,
 509               wl_fixed_t x, wl_fixed_t y);
 510 void
 511 notify_button(struct weston_seat *seat, uint32_t time, int32_t button,
 512               enum wl_pointer_button_state state);
 513 void
 514 notify_axis(struct weston_seat *seat, uint32_t time, uint32_t axis,
 515             wl_fixed_t value);
 516 void
 517 notify_key(struct weston_seat *seat, uint32_t time, uint32_t key,
 518            enum wl_keyboard_key_state state,
 519            enum weston_key_state_update update_state);
 520 void
 521 notify_modifiers(struct weston_seat *seat, uint32_t serial);
 522
 523 void
 524 notify_pointer_focus(struct weston_seat *seat, struct weston_output *output,
 525                      wl_fixed_t x, wl_fixed_t y);
 526
 527 void
 528 notify_keyboard_focus_in(struct weston_seat *seat, struct wl_array *keys,
 529                          enum weston_key_state_update update_state);
 530 void
 531 notify_keyboard_focus_out(struct weston_seat *seat);
 532
 533 void
 534 notify_touch(struct weston_seat *seat, uint32_t time, int touch_id,
 535              wl_fixed_t x, wl_fixed_t y, int touch_type);
 536
 537 void
 538 weston_layer_init(struct weston_layer *layer, struct wl_list *below);
 539
 540 void
 541 weston_plane_init(struct weston_plane *plane, int32_t x, int32_t y);
 542 void
 543 weston_plane_release(struct weston_plane *plane);
 544
 545 void
 546 weston_output_finish_frame(struct weston_output *output, uint32_t msecs);
 547 void
 548 weston_output_schedule_repaint(struct weston_output *output);
 549 void
 550 weston_output_damage(struct weston_output *output);
 551 void
 552 weston_compositor_schedule_repaint(struct weston_compositor *compositor);
 553 void
 554 weston_compositor_fade(struct weston_compositor *compositor, float tint);
 555 void
 556 weston_compositor_damage_all(struct weston_compositor *compositor);
 557 void
 558 weston_compositor_unlock(struct weston_compositor *compositor);
 559 void
 560 weston_compositor_wake(struct weston_compositor *compositor);
 561 void
 562 weston_compositor_activity(struct weston_compositor *compositor);
 563 void
 564 weston_compositor_update_drag_surfaces(struct weston_compositor *compositor);
 565
 566
 567 struct weston_binding;
 568 typedef void (*weston_key_binding_handler_t)(struct wl_seat *seat,
 569                                              uint32_t time, uint32_t key,
 570                                              void *data);
 571 struct weston_binding *
 572 weston_compositor_add_key_binding(struct weston_compositor *compositor,
 573                                   uint32_t key,
 574                                   enum weston_keyboard_modifier modifier,
 575                                   weston_key_binding_handler_t binding,
 576                                   void *data);
 577
 578 typedef void (*weston_button_binding_handler_t)(struct wl_seat *seat,
 579                                                 uint32_t time, uint32_t button,
 580                                                 void *data);
 581 struct weston_binding *
 582 weston_compositor_add_button_binding(struct weston_compositor *compositor,
 583                                      uint32_t button,
 584                                      enum weston_keyboard_modifier modifier,
 585                                      weston_button_binding_handler_t binding,
 586                                      void *data);
 587
 588 typedef void (*weston_axis_binding_handler_t)(struct wl_seat *seat,
 589                                               uint32_t time, uint32_t axis,
 590                                               wl_fixed_t value, void *data);
 591 struct weston_binding *
 592 weston_compositor_add_axis_binding(struct weston_compositor *compositor,
 593                                    uint32_t axis,
 594                                    enum weston_keyboard_modifier modifier,
 595                                    weston_axis_binding_handler_t binding,
 596                                    void *data);
 597 void
 598 weston_binding_destroy(struct weston_binding *binding);
 599
 600 void
 601 weston_binding_list_destroy_all(struct wl_list *list);
 602
 603 void
 604 weston_compositor_run_key_binding(struct weston_compositor *compositor,
 605                                   struct weston_seat *seat, uint32_t time,
 606                                   uint32_t key,
 607                                   enum wl_keyboard_key_state state);
 608 void
 609 weston_compositor_run_button_binding(struct weston_compositor *compositor,
 610                                      struct weston_seat *seat, uint32_t time,
 611                                      uint32_t button,
 612                                      enum wl_pointer_button_state value);
 613 void
 614 weston_compositor_run_axis_binding(struct weston_compositor *compositor,
 615                                    struct weston_seat *seat, uint32_t time,
 616                                    uint32_t axis, int32_t value);
 617
 618 int
 619 weston_environment_get_fd(const char *env);
 620
 621 struct wl_list *
 622 weston_compositor_top(struct weston_compositor *compositor);
 623
 624 struct weston_surface *
 625 weston_surface_create(struct weston_compositor *compositor);
 626
 627 void
 628 weston_surface_configure(struct weston_surface *surface,
 629                          GLfloat x, GLfloat y, int width, int height);
 630
 631 void
 632 weston_surface_restack(struct weston_surface *surface, struct wl_list *below);
 633
 634 void
 635 weston_surface_set_position(struct weston_surface *surface,
 636                             GLfloat x, GLfloat y);
 637
 638 int
 639 weston_surface_is_mapped(struct weston_surface *surface);
 640
 641 void
 642 weston_surface_assign_output(struct weston_surface *surface);
 643
 644 void
 645 weston_surface_schedule_repaint(struct weston_surface *surface);
 646
 647 void
 648 weston_surface_damage(struct weston_surface *surface);
 649
 650 void
 651 weston_surface_damage_below(struct weston_surface *surface);
 652
 653 void
 654 weston_surface_move_to_plane(struct weston_surface *surface,
 655                              struct weston_plane *plane);
 656 void
 657 weston_surface_unmap(struct weston_surface *surface);
 658
 659 void
 660 weston_buffer_post_release(struct wl_buffer *buffer);
 661
 662 uint32_t
 663 weston_compositor_get_time(void);
 664
 665 int
 666 weston_compositor_init(struct weston_compositor *ec, struct wl_display *display,
 667                        int argc, char *argv[], const char *config_file);
 668 int
 669 weston_compositor_init_gl(struct weston_compositor *ec);
 670 void
 671 weston_compositor_shutdown(struct weston_compositor *ec);
 672 void
 673 weston_text_cursor_position_notify(struct weston_surface *surface,
 674                                                 wl_fixed_t x, wl_fixed_t y);
 675 void
 676 weston_output_init_zoom(struct weston_output *output);
 677 void
 678 weston_output_update_zoom(struct weston_output *output, uint32_t type);
 679 void
 680 weston_output_update_matrix(struct weston_output *output);
 681 void
 682 weston_output_move(struct weston_output *output, int x, int y);
 683 void
 684 weston_output_init(struct weston_output *output, struct weston_compositor *c,
 685                    int x, int y, int width, int height);
 686 void
 687 weston_output_destroy(struct weston_output *output);
 688
 689 void
 690 weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec);
 691 void
 692 weston_seat_init_pointer(struct weston_seat *seat);
 693 void
 694 weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap);
 695 void
 696 weston_seat_init_touch(struct weston_seat *seat);
 697
 698 void
 699 weston_seat_release(struct weston_seat *seat);
 700
 701 /* String literal of spaces, the same width as the timestamp. */
 702 #define STAMP_SPACE "               "
 703
 704 void
 705 weston_log_file_open(const char *filename);
 706 void
 707 weston_log_file_close(void);
 708 int
 709 weston_log(const char *fmt, ...)
 710         __attribute__ ((format (printf, 1, 2)));
 711 int
 712 weston_log_continue(const char *fmt, ...)
 713         __attribute__ ((format (printf, 1, 2)));
 714
 715 enum {
 716         TTY_ENTER_VT,
 717         TTY_LEAVE_VT
 718 };
 719
 720 typedef void (*tty_vt_func_t)(struct weston_compositor *compositor, int event);
 721
 722 struct tty *
 723 tty_create(struct weston_compositor *compositor,
 724            tty_vt_func_t vt_func, int tty_nr);
 725
 726 void
 727 tty_destroy(struct tty *tty);
 728
 729 void
 730 tty_reset(struct tty *tty);
 731
 732 int
 733 tty_activate_vt(struct tty *tty, int vt);
 734
 735 void
 736 screenshooter_create(struct weston_compositor *ec);
 737
 738 struct clipboard *
 739 clipboard_create(struct weston_seat *seat);
 740
 741 void
 742 text_cursor_position_notifier_create(struct weston_compositor *ec);
 743
 744 void
 745 input_method_create(struct weston_compositor *ec,
 746                     struct weston_seat *seat);
 747
 748 struct weston_process;
 749 typedef void (*weston_process_cleanup_func_t)(struct weston_process *process,
 750                                             int status);
 751
 752 struct weston_process {
 753         pid_t pid;
 754         weston_process_cleanup_func_t cleanup;
 755         struct wl_list link;
 756 };
 757
 758 struct wl_client *
 759 weston_client_launch(struct weston_compositor *compositor,
 760                      struct weston_process *proc,
 761                      const char *path,
 762                      weston_process_cleanup_func_t cleanup);
 763
 764 void
 765 weston_watch_process(struct weston_process *process);
 766
 767 int
 768 weston_xserver_init(struct weston_compositor *compositor);
 769
 770 struct weston_surface_animation;
 771 typedef void (*weston_surface_animation_done_func_t)(struct weston_surface_animation *animation, void *data);
 772
 773 struct weston_surface_animation *
 774 weston_zoom_run(struct weston_surface *surface, GLfloat start, GLfloat stop,
 775                 weston_surface_animation_done_func_t done, void *data);
 776
 777 struct weston_surface_animation *
 778 weston_fade_run(struct weston_surface *surface,
 779                 weston_surface_animation_done_func_t done, void *data);
 780 struct weston_surface_animation *
 781 weston_slide_run(struct weston_surface *surface, GLfloat start, GLfloat stop,
 782                  weston_surface_animation_done_func_t done, void *data);
 783
 784 void
 785 weston_surface_set_color(struct weston_surface *surface,
 786                          GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
 787
 788 void
 789 weston_surface_destroy(struct weston_surface *surface);
 790
 791 struct weston_compositor *
 792 backend_init(struct wl_display *display, int argc, char *argv[],
 793              const char *config_file);
 794
 795 int
 796 weston_output_switch_mode(struct weston_output *output, struct weston_mode *mode);
 797
 798 #endif